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<br />. <br /> <br />Application for Weather Modification License <br /> <br />Geoffrey E. Hill <br />August, 1984 <br /> <br />II. Specific qualifications of applicant <br /> <br />C. Methods of expertise and project experience <br /> <br />1. Ground based AgI generators: Applicant was project leader <br />for a three year (1974-76) research program at USU in which <br />mountaintop silver iodide generators (3) were used. In <br />addition, these generators were radio controlled. <br /> <br />2. Airborne AgI seeding: Applicant was project leader for a <br />four year (1977-80) research program at USU in which acetone <br />type generators on board an aircraft were used. Detailed <br />airborne cloud physics and ground based measurements were <br />made during this program. <br /> <br />3. Balloon-borne cloud seeding: Applicant is project leader <br />at USU for three years .<1982-84) in this continuing research <br />program. Both pyrotechnic and acetone based payloads have <br />been used. Currently the acetone based system is preferred. <br />Detailed remote sensing (dual frequency microwave radiometer <br />and Ka-band radar) and other ground based measurements are <br />made during this research. <br />